Cabletron Systems STS16-20D User Manual

Monitoring the Network from the Console Statistics Menu

SmartStack STS16-20D/STS16-20R Token Ring Switches Installation and User Guide

To open this screen, do the following:

1. Starting from the main menu, select Statistics 

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2. Enter a port number.

Select 802.5 Statistics...

This counter is incremented when a frame or token is copied or repeated by a 
station, the E bit is zero in the frame or token, and one of the following conditions 
exists:

1. There is a non-data bit (J or K bit) between the SD and the ED of the frame or 

token.

OR

2. There is an FCS error in the frame. 

This counter is incremented when a station detects the absence of transitions for 
five half-bit timers (burst-five error). 

Number of times a station received an Active Monitor Present (AMP) frame or a 
Standby Monitor Present (SMP) frame in which both the address recognized (A) bit 
and the frame copied (C) bit are set to 0, indicating that no station has recognized